Colombian actress Sofia Vergara’s son doesn’t want his mom to marry her fi-ance Nick Loeb. Manolo, 20, is concerned about his mother’s relationship after her recent fight with Loeb at Miami Beach nightclub. “Nick’s hair-trigger temper has Manolo scared to death,” showbizspy.com quoted a source as saying. “Manolo desperately wants to like the guy but violence seems to follow Nick around. Manolo is extremely protec-tive of his mother, and now he’s afraid for her safety. He believes Sofia should slam the brakes on her wedding plans immediately,” the source added.